Something big happened today!

Two years ago, on July 23, 2020, the Long March 5 Yao-4 carrier rocket took off from the Wenchang Space Launch Center, carrying the Tianwen-1 Mars probe, and embarked on the long road of exploring Earth's close neighbor - Mars.

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Two years later, the "Long March 5B" carrier rocket stands tall at the Wenchang Space Launch Center, quietly waiting for the launch moment to come.

In the next few hours, it will send the "Wentian" laboratory module into space .

What is the "Wentian" laboratory cabin? What interesting facts are there about it?

Today we will use 9 pictures to reveal the secrets in advance. It is full of details, so be sure to read it~

Source: Science Popularization China WeChat Official Account

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